C Si 
 1.0000000000000000
     3.0830003377322259   -0.0000000000000000    0.0000000000000000
    -1.5415001688661130    2.6699566123521117    0.0000000000000000
     0.0000000000000000    0.0000000000000000   15.1035554076749463
 C   Si 
   6   6
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  1.8896058211534026   T   T   T
 -0.0000000000000000  0.0000000000000000  9.4413835249908793   T   T   T
 -0.0000000000000011  1.7799710749014077 11.9586427595682974   T   T   T
  1.5415001688661130  0.8899855374507039  4.4068650557308313   T   T   T
 -0.0000000000000011  1.7799710749014077  6.9241242903374669   T   T   T
  1.5415001688661130  0.8899855374507039 14.4759019941749365   T   T   T
  0.0000000000000000 -0.0000000000000000  0.0016613951577802   T   T   T
 -0.0000000000000000  0.0000000000000000  7.5534390989952520   T   T   T
 -0.0000000000000011  1.7799710749014077 10.0706983336213227   T   T   T
  1.5415001688661130  0.8899855374507039  2.5189206297838465   T   T   T
 -0.0000000000000011  1.7799710749014077  5.0361798645169307   T   T   T
  1.5415001688661130  0.8899855374507039 12.5879575683544029   T   T   T